This is the Stealth Audio M-21 Super unlimited power cord. They have 441 wires, 44 layers of insulation, 8 separate shields altogether. It's made using military-grade teflon insulated, silver-plated, oxygen-Free copper wire with seven silver-plated copper "internal" shields -configured as a separate shield for each "bundle" of three wires, with an additional layer of Teflon insulation over each of the seven shields.